123610401 has 8 divisors (see below), whose sum is σ = 183126560. Its totient is φ = 82406916.

The previous prime is 123610393. The next prime is 123610427. The reversal of 123610401 is 104016321.

It is a happy number.

123610401 is a `hidden beast` number, since 12 + 3 + 610 + 40 + 1 = 666.

It is not a de Polignac number, because 123610401 - 2³ = 123610393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123610481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2289055 + ... + 2289108.

It is an arithmetic number, because the mean of its divisors is an integer number (22890820).

Almost surely, 2^123610401 is an apocalyptic number.

It is an amenable number.

123610401 is a deficient number, since it is larger than the sum of its proper divisors (59516159).

123610401 is an equidigital number, since it uses as much as digits as its factorization.

123610401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578172 (or 4578166 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 123610401 is about 11118.0214516793. The cubic root of 123610401 is about 498.1402928880.

Adding to 123610401 its reverse (104016321), we get a palindrome (227626722).

The spelling of 123610401 in words is "one hundred twenty-three million, six hundred ten thousand, four hundred one".